2x - 1y = -9
y = -5 - 5x

please explain the answer and not just tell me the answer?

Answers

Answer 1
X=-2 y=5

Explanation: your first step would be substitute the equation (y=-5x-5 in for the y in the other equation 2x-1y=-9 making it 2x-1(-5x-5)=-9 then do the distributive property to get 2x+5x+5=-9 then combine like terms and get 7x+5=-9 then you subtract 5 from -9 and get -14 then you get 7x=-14 then get a final answer of x=-2. Then plug in x=-2 to your first equation y=-5(-2)-5 and then you get 10 -5 and get y=5

Related Questions

What is the missing side of this right triangle: a = ?, b = 9, c = 11 ?

Answers

Answer:

Step-by-step explanation:

a²+b²=c²

a²+9²=11²

a²+81=121

a²=40

[tex]\sqrt40[/tex]

a=6.32

what is dis -2=-n+8 please immidately

Answers

Answer:

-10=n

Step-by-step explanation: -10+8=-2

-n-8=

thats the answer

What is the movement of particles in solid matter

Answers

Answer:

In solid matter the particles jiggle but generally do not move from place to place

solve (2x-2)(3x+3)=0

Answers

The answer is x= 1 or x= -1

Henry has a 88 average after 7 assignments in his class. He would like
to get an A in the class, which requires an 89.5% What grade is required
on the next assignment so he can get an A

Answers

Answer: He need to score 100 in next assignment to can get an A.

Step-by-step explanation:

Given: Average marks till now = 88%

Average = (sum) divided by (Number of observations)

Here, number of assignments =7

So, [tex]88=\dfrac{(sum)}{7}\Rightarrow\ sum =88\times7= 616[/tex]  (i)

After next assignment, number of assignments = 8

Required Average = 89.5

[tex]89.5=\dfrac{sum}{8}\Rightarrow\ sum = 89.5\times8= 716[/tex]   (ii)

(ii)-(i) gives 100

So, he need to score 100 in next assignment to can get an A.

Which of the following fractions is equivalent to 5\6​

Answers

5/6=10/12

5/6 is equal to all of these

5/6 = 10/12 = 15/18 = 20/24

= 25/30 = 30/36 = 35/42 = 40/48

= 45/54 = 50/60 = 55/66 = 60/72

= 65/78 = 70/84 = 75/90 = 80/96

= 85/102 = 90/108 = 95/114 = 100/120

= 105/126 = 110/132 = 115/138 = 120/144

= 125/150 = 130/156 = 135/162 = 140/168

= 145/174 = 150/180 = 155/186 = 160/192

= 165/198 = 170/204 = 175/210 = 180/216

= 185/222 = 190/228 = 195/234 = 200/240

= 205/246 = 210/252 = 215/258 = 220/264

= 225/270 = 230/276 = 235/282 = 240/288

= 245/294 = 250/300 = 255/306 = 260/312

= 265/318 = 270/324 = 275/330 = 280/336

= 285/342 = 290/348 = 295/354 = 300/360

= 305/366 = 310/372 = 315/378 = 320/384

= 325/390 = 330/396 = 335/402 = 340/408

= 345/414 = 350/420 = 355/426 = 360/432

= 365/438 = 370/444 = 375/450 = 380/456

= 385/462 = 390/468 = 395/474 = 400/480

= 405/486 = 410/492 = 415/498 = 420/504

= 425/510 = 430/516 = 435/522 = 440/528

= 445/534 = 450/540 = 455/546 = 460/552

= 465/558 = 470/564 = 475/570 = 480/576

= 485/582 = 490/588 = 495/594 = 500/600

Step-by-step explanation:

please help. i dont know how to do it cuz im dumb

Answers

reflection reflection reflection reflection

Answer:

The image is reflecting in the x axis

Step-by-step explanation:

hope that's what you were looking for. if not, the middle of both of the images is (0, .5)

A corn vendor at a farmer's market was selling a bag of 8 ears of corn for $2.56. Another vendor was selling a bag of 12 for $4.32. Which bag is the better deal? Explain or show your reasoning.

Answers

The bag of 8 ears of corn

2.56/8 = .32 per ear of corn
4.32/12 = .36 per ear of corn

how did you use addition of fraction in your daily activities?​

Answers

Answer:

there are several answers to this question. For instances *( EATING OUT: Have you ever gone out to eat with a group of friends but the waitress brings only one check? To divide up the bill, you’ll need to use fractions. )* *( SPORTS: The NBA Finals are on. Fractions are used to determine statistics and shooting percentages. )*

Step-by-step explanation:

One week, Jose earned $145.60 at his job when he worked for 7 hours. If he is paid the same hourly wage, how many hours would he have to work the next week to earn $83.20?

Answers

He will have to work 4 hours next week

A research company surveys 8,000 people. The company expects 6,000 people to respond favorably. If there is a percent error of 2.5%, what is the range of people who will respond favorably to the survey?

Enter the correct answers in the boxes.

Least number of people:

Greatest number of people:

BIG POINTS ILL MARK YOU IF THE ANSWER IS RIGHT

Answers

Answer:

Step-by-step explanation:

uhhhhh dhyvcehbcej

Given
F(x) = (3x - 12) + 2, what is the domain in set notation?
O {x|x ER, X2 4}
O {x|x ER, XS4}
{x|x ER, X2}
O {x|x ER, XS 2

Answers

The domain in set notation is {x | xER, -∝ < x < ∝}

How to determine the domain

From the question, we have the following parameters that can be used in our computation:

F(x) = (3x - 12) + 2

There is no restriction on the input values, x

So, the domain of F(x) = (3x - 12) + 2 is all real numbers, since there is no restriction on the input (x).

In set notation, we have

{x | xER, -∝ < x < ∝}

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please help will give brainliest

Answers

Answer:

0

Step-by-step explanation:

2nd avenue is a horizontal line, parallel to the x-axis.

The slope of a horizontal line is zero.

Answer: slope = 0

Can anyone help me I NEED THIS ASAP

Answers

Hi! Your answer would be for the x intercept:(-1/7,0) and for the y intercept:(0,1/4)
Hope this helps!

2) How many y pieces are in 6/12?

Answers

Answer:

6 out of 12

Step-by-step explanation: there was 12 before but now there are 6 because probally somebody ate them

Whats the answer?

12m +5 =17

Answers

Answer:

m=1

Step-by-step explanation:

12m+5=17

       -5  -5

12m=12

m=1

Answer:

You substrate 11 m on each side and add +5 on each side

Step-by-step explanation:


A building's basement is 12 feet below ground. If the total length of the building from basement to roof is 62 feet, what is the building's elevation above ground?

Answers

Answer:

62-12=50

Step-by-step explanation:

hope that helps!

The perimeter of a triangle is 147 inches. The sides of the triangle measure 6x + 4, 3x - 7 and 5x + 10. Fine the value of X.

Answers

Answer:

x = 10

Step-by-step explanation:

64 + 23 + 60

=

147

7. Ger and Amy are planting tulips. Ger has planted 60 tulips already and is planting more at a
rate of 44 tulips per hour. Amy has planted 96 tulips already and is planting more at a rate of 32
per hour.
a. After how many hours, h, will Ger and Amy have planted the same
number of tulips?

Answers

Answer:

23 hours

Step-by-step explanation: 44*32 = 1408 1408/60 = 23.46= 23 hours

The answer would be 24

two wires are 12m and 16cm long the wires are to be cut into pieces of equal legnth. find the miximum lenght each piece​

Answers

Answer:

Step-by-step explanation:

The answer is 4m.

25/x - 17/x, x ≠0

Please?

Answers

Answer:

60

Step-by-step explanation:

hmmmmmmmmmmmmmmmmmmm

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. She also earns a base salary of $625 per week. How much did she earn last week if she sold $4,500 in electronics merchandise? Round your intermediate calculations and answer to the nearest cent

Answers

Danielle earned $951.25

Step-by-step explanation:

Multiply her commission by her sales and add her base rate

x=7.25%($4500)+625 or x=0.0725(4500)+625

distribute

x=326.25+625

simplify

x=951.25

Solve the following linear equation for p.
2=p-3/2
P=

Answers

the answer would be p=7/2 or p=3.5

Answer:

the correct answer is 7

Step-by-step explanation:

To solve for a variable, use inverse operations to undo the operations in the equation. Be sure to do the same operation to both sides of the equation.

3/9 (Fraction) Into a Decimal

Answers

0.3 repeating so just leave it as the fraction
It is 0.3 and it keeps repeating

Which of the following relations is a function?

A {(0,0), (1, 2), (2,3)}
B {(1, 1), (1, 2), (1,3)}
C {(3, 1), (4, 1), (3, 2)}
D {(0, 0), (0, 1), (1, 2)]

Answers

A because it passes the vertical line test

Two trains are traveling at constant speeds on different tracks. Trains Which train is traveling faster? Explain your reasoning. Train is traveling faster, because it will go 100 meters in only seconds, compared to Train

Answers

Answer:

Train A is traveling faster

Step-by-step explanation:

Train A has more distance than train B.

Train A is traveling faster, because it will go 100 meters in only seconds, compared to Train B.

a).1+ 4x+2/2x=5x
b).2x-2+3x/4=2x

Answers

Answer:

I think they are both incorrect :(

Step-by-step explanation:

Please forgive me if I am wrong :)

9/2 divided by 2/9 this is dividing fractions

Answers

Answer:

4/81

Step-by-step explanation:

Don't ask i just know

-Too much work to explain

The division of of 9/2 by 2/9 is equal to 81/4.

To divide fractions, multiply the first fraction by the reciprocal of the second fraction.

In this case, we need to divide 9/2 by 2/9.

Dividing fractions: (a/b) ÷ (c/d) = (a/b) * (d/c)

So, we can rewrite the expression as:

(9/2) ÷ (2/9) = (9/2) * (9/2)

Now, let's perform the multiplication:

(9/2) * (9/2) = (9 * 9) / (2 * 2) = 81/4

Therefore, the division gives 81/4.

Learn more about Division here:

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Look at the pre-image and the image. Describe the translation.

Answers choices:

The image translated two units to the left and six units down.

The image translated two units to the right and five units up.

The image translated zero units to the left/right and ten units up.

The image translated nine units to the left and two units up.

The image translated eight units to the right and five units down.

Answers

it’s translated two units left and six units down

7) Find the sample standard deviation. 22 29 21 24 27 28 25 36​

Answers

Answer:

26.5

Step-by-step explanation:

The standard deviation of 22, 29, 21, 24, 27, 28, 25, 36  is 19.75.

What is standard deviation ?

"The standard deviation is a statistic that measures the dispersion of a dataset relative to its mean and is calculated as the square root of the variance. The standard deviation is calculated as the square root of variance by determining each data point's deviation relative to the mean."

"Standard deviation is an especially useful tool in investing and trading strategies as it helps measure market and security volatility—and predict performance trends. As it relates to investing, for example, an index fund is likely to have a low standard deviation versus its benchmark index, as the fund's goal is to replicate the index."

The given numbers are 22, 29, 21, 24, 27, 28, 25, 36.

The formula for standard deviation is [tex]\sqrt({ $\sum_{n=1}^{n} (xi - mean)^2/n )= 1$}[/tex]

Finding mean of given numbers  = 22+29+21+24+27+28+25+36/8 = 26.5

Now for standard deviation =[tex]\sqrt((22-26.5)^2 + (26.5-29)^2 + (26.5-21)^2+(26.5-24)^2+(26.5-27)^2+(26.5-28)^2+(26.5-25)^2+(26.5-36)^2/8 )[/tex]

= 19.75

Hence, the standard deviation of the given numbers is 19.75

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